1313121212193 has 32 divisors (see below), whose sum is σ = 2108863641600. Its totient is φ = 709983743616.

The previous prime is 1313121212177. The next prime is 1313121212239. The reversal of 1313121212193 is 3912121213131.

It is not a de Polignac number, because 1313121212193 - 2⁴ = 1313121212177 is a prime.

It is a super-2 number, since 2×1313121212193² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1313121212193.

It is not an unprimeable number, because it can be changed into a prime (1313121212173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1711221 + ... + 2356802.

It is an arithmetic number, because the mean of its divisors is an integer number (65901988800).

Almost surely, 2^{1313121212193} is an apocalyptic number.

It is an amenable number.

1313121212193 is a deficient number, since it is larger than the sum of its proper divisors (795742429407).

1313121212193 is a wasteful number, since it uses less digits than its factorization.

1313121212193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068861.

The product of its digits is 1944, while the sum is 30.

The spelling of 1313121212193 in words is "one trillion, three hundred thirteen billion, one hundred twenty-one million, two hundred twelve thousand, one hundred ninety-three".